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Age of modern plants and large mammals
Age of modern plants and large mammals
The Neogene Period (23.03–2.59 Ma) is in the Cenozoic Era, occurring after the Paleogene Period, and before the Quaternary Period.
Geologic Age
Geologic Age
23.03–2.59 Ma
Subdivisions
Subdivisions
Eon / Era
Eon / Era
What happened during this time?
What happened during this time?
Mammals and birds diversify
Human ancestors begin to feed on grasses and sedges (Wynn et al., 2013)
North and South America connect
Climates cooled during the Neogene
Continental glaciations in the Quaternary
Additional Resources
Additional Resources
How mountain building and climate change have shaped alpine biodiversity over 30 million years (Phys.org 19Dec2025)
└The asynchronous rise of Northern Hemisphere alpine floras reveals general responses of biotic assembly to orogeny and climate change (Ding et al., 2025)
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